Code 700111: Fault during loading variables (FB2 in FB113)
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Fault during loading variables (FB2 in FB113) alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
These are internal faults of the PLC processing. Error messages NC Fault during loading variables (FB2 in FB113) The error has the following effect: Feed Stop No axis movements possible. Read disable Control reads no further program blocks into memory. 1. Turn off the control with the key [Control OFF] 2. Turn on the control with the key [Control ON] Message is cleared. - If the fault occurs frequently -- contact Service.
Source: CHIRON Error Message Overview, all series (Siemens control, V2.0.6, 2012)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Chiron Siemens-Control CNC Alarms
Chiron controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 700111 on the Siemens-Control CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Chiron's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 545 Chiron Siemens-Control CNC codes.
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